Compilare: main.cpp: In member function 'void Graph::bfs(int)': main.cpp:135:13: warning: unused variable 'prim' [-Wunused-variable] 135 | int prim, ultim, i; | ^~~~ main.cpp:135:19: warning: unused variable 'ultim' [-Wunused-variable] 135 | int prim, ultim, i; | ^~~~~ main.cpp:135:26: warning: unused variable 'i' [-Wunused-variable] 135 | int prim, ultim, i; | ^ main.cpp: In member function 'void Graph::getSSCComponents()': main.cpp:242:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 242 | for(int i = 0; i < sscComponents.size() ;++i){ | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:230:13: warning: unused variable 'sscCounter' [-Wunused-variable] 230 | int sscCounter = 0; | ^~~~~~~~~~ main.cpp: In static member function 'static bool Graph::graphExists(std::vector<int>&)': main.cpp:328:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 328 | if ( firstEl > a.size() ) return false; | ~~~~~~~~^~~~~~~~~~ main.cpp: In member function 'void Graph::bellmanFord(int)': main.cpp:384:13: warning: unused variable 'edgesLength' [-Wunused-variable] 384 | int edgesLength = this->edges.size(); | ^~~~~~~~~~~